Home / 14,714.64-20,298.60-9,115.92

Finding the Fourth Proportional to 14,714.64, 20,298.60 and 9,115.92

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Solution

The fourth proportional to 14,714.64, 20,298.60 and 9,115.92 is: 12,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.64 : 20,298.60 = 9,115.92 : x
  2. Step 2: Convert to fraction form
    14,714.64/20,298.60 = 9,115.92/x
  3. Step 3: Cross multiply
    14,714.64x = 20,298.60 × 9,115.92
  4. Step 4: Simplify right side
    14,714.64x = 185,040,413.71
  5. Step 5: Solve for x
    x = 185,040,413.71/14,714.64
  6. Step 6: Final answer
    x = 12,575.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.